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Can I set null as the default value for a @Value in Spring?
...lValue of the PropertyPlaceholderConfigurer. For the example I'm using the string @null but you can also use the empty string as nullValue.
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<!-- config the location(s) of the p...
Passing just a type as a parameter in C#
...common approaches. First, you can pass System.Type
object GetColumnValue(string columnName, Type type)
{
// Here, you can check specific types, as needed:
if (type == typeof(int)) { // ...
This would be called like: int val = (int)GetColumnValue(columnName, typeof(int));
The other opti...
Case insensitive regular expression without re.compile?
...e being None. Using try & except to catch TypeError matching by first_string == second_string. Sample Code def equal_ignore_case(first_string, second_string): try: return re.match(first_string, second_string, re.IGNORECASE) is not None except (AttributeError, TypeError): ...
Sorting a list using Lambda/Linq to objects
I have the name of the "sort by property" in a string. I will need to use Lambda/Linq to sort the list of objects.
12 Answe...
PHP prepend leading zero before single digit number, on-the-fly [duplicate]
PHP - Is there a quick, on-the-fly method to test for a single character string, then prepend a leading zero?
3 Answers
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What is the difference between a strongly typed language and a statically typed language?
...amic) type error.
For example, Lua, a dynamically typed language, has a string type, a number type, and a Boolean type, among others. In Lua every value belongs to exactly one type, but this is not a requirement for all dynamically typed languages. In Lua, it is permissible to concatenate two s...
Replace a string in shell script using a variable
I am using the below code for replacing a string
inside a shell script.
10 Answers
10
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How to write PNG image to string with the PIL?
I have generated an image using PIL . How can I save it to a string in memory?
The Image.save() method requires a file.
...
How can I force a long string without any blank to be wrapped?
I have a long string (a DNA sequence). It does not contain any whitespace character.
13 Answers
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How to escape double quotes in JSON
...t ecma-international.org/publications/files/ECMA-ST/ECMA-404.pdf (Par. 9 - Strings) where it says: All characters may be placed within the quotation marks except for the characters that must be escaped and then it specifies: \" represents the quotation mark character (U+0022)
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